Combined gas and oil nozzle



Nov. 17, 1925. 1,561,966 G. BAKER I COMBINED GAS AND OIL NOZZLE FiledJune9 1925 2 Sheets-Sheet 1 E 8 6* x &\ & w 6 bu \v 7 as V x Q m a Q a Qn Nov. 17,1925. 1,561,966

G. BAKER COMBINED GAS AND OIL NOZZLE Fi1ed June 9, 1925 2 Sheets-Sheet 2INVENTOR.

' G'f gfzaten- A-TTORNEYSQ Patented Nov. 17, 1925.

UNITED STATES GEORGE BAKER, OF PERSHING, OKLAHOMA.

COMBINED GAS AND OIL NOZZLE,

Application filed June 9,. 1925. Serial No. 36,030.

T 0 all whom it may concern:

Be it known that I, GEORGE BAKER, a citizen of the United States,residing at Pershing, in the county of Osage and State of Oklahoma, haveinvented certain new and useful Improvements in Combined Gas and OilNozzles, of which the following is a specification, reference being hadto the accompanying drawings. 7 v v This invention relates to gas orcombined gas and oil nozzles and more particularly to a device of thischaracter intended foruse in combination with a combustion chamber thedrum is to be employed includes a comand an air inlet control deviceconstructed in accordance with my copending application for patent ongas burners, Serial No. 36,029, filed June 9, 1925. 1

In the application above identified, I have disclosed a combustionchamber and a fuel drum in axial alignment with the inlet of thecombustion chamber and a sleeve slidable upon the drum and inlet and byits position controlling the amount of air admitted for mixture with thefuel as ejected from the drum.

An important object of this invention is to provide a fuel drum of'suchcharacter that steam may be employed for supplying pressure to the gasand for injecting the gas into the combustion chamber where the naturalpressure of the gas or fuel is not sufficient to enable it to be soused.

A still further object of the invention is to provide a device of thischaracter so constructed that in addition to its function as a means forstepping up the pressure of gas, it may be employed for atomizing andevaporating fuel oilfor use in the burner sothat the burner may continuein use when no gas is available, or the action of the gas may beaugmented as is found desirable.

Other objects and advantages will become obvious in the course of thefollowing description. 7

My invention is illustrated in the accompanying drawings wherein Figure1 is a longitudinal sectional view taken through a burner having acombined gas and oil nozzle constructed 'in'accordance with myinvention;

Figure 2 is an enlarged longitudinal sec-f tional vlew'taken through thenozzle struc-' ture; r t

Figure 3 is an end elevation thereof 9 Figure 4 is a section on the linel -4 of Figure 2;

Figure 8 is a section on the line 8- -8 of Figure 7 and Figure 9 is anend elevation of the steam chamber employed in the form of nozzle shownin Figures 7 and 8.

Referring now more particularly to the drawmgs, the general structurewith which bustion chamber 10 which is fixed and has an inlet 11 and anoutlet 12. The outlet may be provided with a flame spreader 13,

as will be hereinafter more fully set forth,

by an oil line 17. Slidably engaged with the outer surface of the gasdrum and the inner surface of the tubular inlet 11 of the combustionchamber is a sleeve 18 which, together with its associated' parts,constitutes the air inlet control means. The construction of this airinlet control means is fully set forth and claimed in the co-pendingapplication above referred to and is merely illustrated in the presentinstance for the purpose of showing the manner of use of the drum; Thedrum 14 hasan inlet 19 with which the gas line 15 communicates and whichis formed at one end of the drum.

The opposite end of the drum has a wall 20 which has a central aperture21 and grouped about. this aperture are a plurality of nozzles 22 whichproject outwardly from this end wall. Arranged within the drum adjacentthe end wall 20 is a steam chamber 23 preferably circular inform andhaving projecting toward this rear wall and in alignment with the boresof the nozzles 22 jet nozzles 24. This chamber has likewise projectingtherefrom an axial nozzle .25 which is directed through the axialopening 21 of the end wall and which is of such length that it projectsbeyond the outer ends of: the nozzles 22. Arranged adjacent the inletend of the drum is aninletcfitting26 having a T-head, both ends ofwhich-are open .and with one end of which the steam line 16 is engaged.The opposite end of the fitting will accommodate either a steam lineleading to a further drum or a plug sealing this end. Interiorly ofthe'drum, this inlet communicates with a conduit 27 extendinglongitudinally of the drum and communicating with the chamber 23adjacent. the lowerendthereofand atthe rear wall thereof. Extendingrearwardly from the rear wall of the steam chamber is a semi-circularflange 28 receiving within its b ight the conduit 27, the end of thisflange being closed by a wall 29.

Arranged adjacent the inlet end of the drum at the upper surface thereofis an oil inlet 30 which is similar to the steam inlet :26 and whichinteriorly of the drum comof which is positionedto .discharge into the:trough formed by the .rear wall of the chamber 'the semi-circularflange 28 and the wall 29. Mounted in the walls of the chamber are tubes32, one of which is arranged at each side of the lowermost nozzle 22which is vertically below the axis of the drum. Each of these tubesprojects from the front face ofthe chamber 23 a short distance and hasits endsopen so that-one end is in communication with the trough and theopposite end in communication with the interior :ofthedrum 14 adjacentthe wall thereof.

In the use of this form of any .device, whengasalone is beingused,-steam entering through the inlet and passing through the chamberis injected at the nozzles 2st and passing through the nozzle 22,because of the form of these nozzles, sets up a suction within the drum,withdrawing gas from "the drumand reducing the pressure of the drum sothat low pressure gas will readily enter thereinto. At the same time,the steam and gas are thoroughly mixed and in passing from the nozzleswill be further mixed with air entering through openings formed in thesleeve theamou-nt of air which is mixed depending upon the adjustedposition of the sleeve. The central steam =nozzle will serve to producea blast and a tendency toward a vacuum at the nozzles 22 so that themixture :ejected from these nozzles will be drawn into the steam passingfrom the nozzle 25 and thoroughly mingle therewith. The gas being heatedwill, .of course, ignite very readily and will provide a steady hotflame at the outlet 12 of the combustion chamber. When oil is beingused, the oil passing from the pipe 31 into the trough is highly heatedwith the result that a cer-. tain proportion thereof is vaporized andpasses off with the gas through the nozzles 22. The remainder of thisoil througl'i the suctioncreate'd at the nozzle end of the ,drun Will bedrawn off in the form of a spray and v intermingle with the gaseous fueland steam. In the combustion chamber, the additional heat suppliedtogether with the steam will serve "to completely evaporate this oil sothat ,gas is supplied at the outlet 12 for burning. It will be obviousthat where no oil isito be employed in the burner, the form ofconstruction shown in Figures '7 to 9 may be employed, the trough formedby the flange 28-and end wall-29 and the oil inletand conduit 31 beingeliminated as are the tubes 32.

With a device of this character, I preferably provide at the outlet vofthe burner a spreader such as more-clearly shown in Figure 1. Thisspreader-is formed by .providing the outlet 12 which is tubular with anoutstanding flange 33, the outer edge of which is raised above the inneredge so that a dish effect is obtained. :Supported in alignment with theoutlet-is a concaved disk 314 having an axial opening and above thisdisk is arranged a solid concaved disk 36, the concave'd seats ofthe'diskbeing arranged upwardly. Tn supportingthedisks, 1 preferablyprovide .a rod 37 axially directed through the outlet 2 and threaded atits lower end in the wall of the combustion chamber.

To the outer end of .this'rod, the disk 36 is threaded and the outeredge of this disk has depending arms 38, the .lower ends of which aresecured tothe disk 34. With a spreader of this character, a portion ofthe contents of the combustion chamber will pass outwardly between thedisk 3% and the flange 33 while the other portion thereof will passthrough the opening 35 and impinge against the lower face of the disk 36and pass out between the disks 35 and .36, thus providing adoublecircular flame which the pressure of the blastemitted when steam isbeing employed to provide means for drawing gases into the gas drum.

Since the construction hereinbefore set forth is capable of a certainrange of change and modification without materially departing from thespirit of my invention, I do not limit myself to such specific structureexcept as hereinafter claimed.

Iclaim 1. A gas burner drum having an inlet and provided in one .wallthereof with a plurality of venturiform outlets'arranged upon a circle,a steam chamber within the drum and opposing said wall, said chamberhaving an inlet and having outlet nozzles corresponding in number andarrangement to the outlets ofsaid wall and .directed axially thereof, asteam conduit communicating with the inlet of the chamber and extendinglongitudinally of the interior of the drum, an oil pan within the drumthrough which ,said'steam conduit extends and means for de'liveringoilto the pan.

2. A gas burner drum having an inlet and provided in one wall thereofwith a plurality of venturiform outlets arranged upon a circle, a steamchamber within the drum and opposing said wall, said chamber having aninlet and having outlet nozzles corresponding in number and arrangementto the outlets of said wall and directed axially thereof, a steamconduit communicating with the inlet of the chamber and extendinglongitudinally of the interior of the drum, an oil pan Within the drumthrough which said steam conduit extends, means for delivering oil tothe pan, the drum forming one end wall of the pan and tubescommunicating with said pan and extending through the steam chamber andhaving their outer ends arranged upon opposite sides of one of thenozzles of the chamber.

3. A gas burner drum having an inlet and provided in one wall thereofwith a plurality of venturiform outlets arranged upon a circle, a steamchamber Within the drum and opposing said wall, said chamber having aninlet and having outlet nozzles corresponding in number and arrangementto the outlets of said'wall and directed axially thereof, said steamchamber having a further axially disposed, outlet nozzle projectingthrough said wall of the burner drum and having its outer end extendedbeyond the outer ends of the outlets of the drum.

4. A gas burner drum having an inlet and provided in one wall thereofwith a plurality of venturiform outlets arranged upon a circle, a steamchamber within the drum and opposing said wall, said chamber having aninlet and having outlet nozzles corresponding in number and arrangementto the outlets of said wall and directed axially thereof, said steamchamber having a further axially disposed outlet nozzle projectingthrough said wall of the burner drum and having its outer end extendedbeyond the outer ends of the outlets of the drum, the steam conduitcommunicating with the inlet of the chamber and extendinglongitudinallyof the interior of the drum and an oil pan within the drum through whichsaid steam conduit extends.

5. A gas burner drum having an inlet and provided in one wall thereofwith aplurality of venturiform outlets arranged upon a circle, a steamchamber within the drum and opposing said wall, said chamber having aninlet and having outlet nozzles corresponding in number and arrangementto the outlets of said Wall and directed axially thereof, said steamchamber having a further axially disposed outlet nozzle projectingthrough said Wall of the burner drum and having its outer end extendedbeyond the outer ends of the outlets of thedrum, the steam conduitcommunicating with'the inlet of the chamber and extending longitudinallyof the interior of the drum and an oil pan Within the drum through whichsaid steam conduit extends, said steam chamber forming one end wall ofsaid oil pan.

6. A gas burner drum having an inlet and provided in one wall thereofwith a plurality of venturiform outlets arranged upon a circle, a steamchamber within the drum and opposing said wall, said chamber having aninlet and having outlet nozzles corresponding in number and arrangementto the outlets of said wall and directed axially thereof, a steamconduit communicating with the inlet of the chamber and extendinglongitudinally of the interior of the drum, an oil pan within the drumthrough which said steam conduit extends and means for delivering oiltothe pan and outlets for the oil pan extending through the steamchamher and having their outer ends arranged between adjacent nozzles ofthe steam chamber.

7 A gas burner drum having an inlet and provided in one Wall thereofwith a plurality of venturiform outlets arranged upon a circle, a steamchamber within the drum and opposing said wall, said chamber having aninlet and having outlet nozzles corresponding in number and arrangementto the outlet of said wall and directed axially thereof, said steamchamber having a further axially disposed outlet nozzle projectingthrough said wall of the burner drum and having its outer end extendedbeyond the outer ends of the outlets ofthe drum,

the steam conduit communicating with the V inlet of the chamber andextending longitudinally of the interior of the drum, an oil pan withinthe drum through which said steam conduit extends and outlets for theoil pan extending through the steam chamber and having their outer endsarranged between adjacent nozzles of the steam cham- In testimonywhereof I hereunto affix my signature.

GEORGE BAKER.

